74LS190 Synchronous 4-Bit Up Down Counter IC
- Synchronous 4-Bit Up/Down Counters with Mode Control
- High-level input voltage:Â 2V
- Low-level input voltage:Â 0.8V
- High-level output current:Â -0.4mA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 20MHz
- Propagation delay time max:Â 65ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-16
74LS193 Synchronous 4-Bit Up Down Counter IC
- Synchronous 4-Bit Up/Down Counter
- High-level input voltage:Â 2V
- Low-level input voltage:Â 0.8V
- High-level output current: -400µA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 25MHz
- Propagation delay time max:Â 47ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-16
74LS194 4-Bit Bidirectional Universal Shift Register IC
- 4-Bit Bidirectional Universal Shift Register
- High-level input voltage:Â 2V
- Low-level input voltage:Â 0.8V
- High-level output current:Â -0.4mA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 25MHz
- Propagation delay time max:Â 38ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-16
74LS195 Universal 4-Bit Shift Register IC
- Universal 4-Bit Shift Register
- Power Supply Current:Â 21mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 25MHz
- Propagation delay time max:Â 26ns
- Supply voltage range:Â 4.75 to 5.25V
- Synchronous, Expandable Shift Right
- Synchronous Shift Left Capability
- Synchronous Parallel Load
- Separate Shift and Load Clock Inputs
- Input Clamp Diodes Limit High Speed Termination Effects
- Package:Â DIP-16
74LS196 Presettable Decade Counter IC
- Presettable Decade Counter
- High-level input current:Â 0.4mA
- Power Supply Current:Â 20mA
- Clock frequency:Â 45MHz
- Propagation delay time max:Â 55ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-14
- Low Power Consumption: Typically 80 mW
- High Counting Rates: Typically 70 MHz
- Choice of Counting Modes: BCD, Bi-Quinary, Binary
- Asynchronous Presettable
- Asynchronous Master Reset
- Â Easy Multistage Cascading
- Input Clamp Diodes Limit High Speed Termination Effects
74LS22 Dual 4-Input positive NAND Gate IC
74LS221 Dual Monostable Multivibrator IC with Schmitt-Trigger Inputs
74LS241 Octal Buffer and Line Driver IC With 3-State Outputs
- Octal Buffer and Line Driver With 3-State Outputs
- Logic Family:Â LS
- Logic Type:Â Bipolar
- Polarity:Â Non-Inverting
- High Level Output Current:Â -15 mA
- Low Level Output Current:Â 24 mA
- Number of Channels per Chip:Â 8
- Propagation Delay Time:Â 18 ns at 5 V
- No. of Pins:Â 20
- Operating Temperature Range: 0°C to +70°C
- Supply Voltage Range:Â 4.75V to 5.25V
- Package:Â DIP-20
74LS242 Quad Bus Transceiver IC
- Quad Bus Transceiver
- Logic Type:Â Bipolar
- Logic Family:Â 74LS
- Number of Circuits:Â 4
- Output Type:Â 3-State
- High Level Output Current:Â -15 mA
- Low Level Output Current:Â 24 mA
- Propagation Delay Time:Â 30 ns
- Polarity:Â Inverting
- Supply Voltage Range:Â 4.75V to 5.25V
- Operating Temperature Range: 00C to +700C
74LS243 Quadruple Bus Transceiver IC
- Quadruple Bus Transceivers
- Logic Family:Â LS
- Number of Circuits:Â 4
- Output Type:Â 3-State
- High Level Output Current:Â -15 mA
- Low Level Output Current:Â 24 mA
- Polarity:Â Non-Inverting
- Propagation Delay Time: 18 ns
- No. of Pins:Â 14
- Operating Temperature Range: 0°C to +70°C
- Â Supply Voltage Range:Â 4.75V to 5.25V
- Package:Â DIP-14
74LS245 Octal Bus Transceiver IC
- Technology Family: LS
- VCC (Min): 4.75V
- VCC (Max): 5.25V
- Bits (#): 8
- Voltage at nominal operation: 5V
- Frequency at normal voltage (Max): 35MHz
- ICC at normal voltage (Max): 0.09mA
- Propagation delay (Max): 8ns – 12ns
- 3-State Outputs to Drive Bus Lines Directly
- PNP Inputs Reduce DC Loading on Bus Lines
- Hysteresis at Bus Inputs Improves Noise Margins
- IOL (Max): 24mA
- IOH (Max): -15mA Rating: Catalog
- Operating temperature range: 0°C to 70°C